Active Air Fan Speed Adjuster grow-light-ballasts Remove the filter access panel

Remove the filter access panel to remove and replace the filter

Have a long range igniter installed – Up to 15′

• Ballast designed for 480V operation (includes 480V power cord and plug L8-20P)

Concentrated kelp is an exceptional value for all growers

Active Air Fan Speed Adjuster grow-light-ballasts Remove the filter access panelHydrofarm's Fan Speed Adjuster was designed especially for centrifugal fans. This means it will help prevent damage to fan motors, ensuring longer life. (Meant for use with brushless motors, and all Hydrofarm inline fans, not booster fans) It will correctly and precisely adjust the speed of centrifugal fans. These controllers are more sensitive than any on the market, and are compact and built to last. Features Internal electronic auto resetting